public InternalRegressionTree FitTargets(IChannel ch, bool[] activeFeatures, Double[] weightedtargets, Double[] targets, Double[] weights)
{
var tree = (InternalQuantileRegressionTree)FitTargets(ch, activeFeatures, weightedtargets);
if (tree != null && _quantileEnabled)
{
Double[] distributionWeights = null;
tree.SetLabelsDistribution(Partitioning.GetDistribution(
targets, weights, _quantileSampleCount, Rand, tree.NumLeaves, out distributionWeights), distributionWeights);
}
return(tree);
}